R rebuilds every pane detached; r refreshes data; Author gains guidance and preview; Repair gains the rebuild log

tui/board.go

@@ -130,6 +130,12 @@ func (m boardModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		case "r":
 			m.loading = true
 			return m, m.reload()
+		case "R":
+			if err := startRebuild(m.folder); err != nil {
+				m.err = err
+				return m, nil
+			}
+			return m, tea.Quit
 		case "up", "k":
 			if m.cursor > 0 {
 				m.cursor--
@@ -315,6 +321,7 @@ func (m boardModel) footerLine() string {
 			keyHint("a", "assign"),
 			keyHint("tab", "next panel"),
 			keyHint("r", "read again"),
+			keyHint("R", "rebuild every pane"),
 			keyHint("q", "leave"),
 		}, m.width)
 	case focusSummary: